. A dictionary of the fossils of Pennsylvania and neighboring states named in the reports and catalogues of the survey ... Paleontology. 30, page 224, plate 32, fig. 1 to 12 ; plate 33, figs, la to If.—The first appearance of a family resembling the Conularia family, in a Lower Cambrian formation, one mile north of Saratoga Springs, N. Y.—Z. C.—Associated with Cryptozoon poriferum. Hall, 36th An. Kept.; Platyceras minutissimum Walcott; Ptychoparia Galcifera^ Walcott; Dicellocephalus hartii.^ Wal- cott ; and Dikellocephalus speciosus Walcott;—in limestone over Potsdam sandstone.—Fig. 1, 2, 3, e


. A dictionary of the fossils of Pennsylvania and neighboring states named in the reports and catalogues of the survey ... Paleontology. 30, page 224, plate 32, fig. 1 to 12 ; plate 33, figs, la to If.—The first appearance of a family resembling the Conularia family, in a Lower Cambrian formation, one mile north of Saratoga Springs, N. Y.—Z. C.—Associated with Cryptozoon poriferum. Hall, 36th An. Kept.; Platyceras minutissimum Walcott; Ptychoparia Galcifera^ Walcott; Dicellocephalus hartii.^ Wal- cott ; and Dikellocephalus speciosus Walcott;—in limestone over Potsdam sandstone.—Fig. 1, 2, 3, end, side and summit views of the most characteristic form, enlarged \ Fig. 4, lid (operculum), portions of shell removed; Fig. 5 more conical than 1; Fig. 6, cast of inside of another lid; Figs. 7, 8, 9, top, end, side views of the conical variety, with deeply sinuous. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Lesley, J. P. (J. Peter), 1819-1903; Pennsylvania. Board of Commissioners for the Second Geological Survey. Harrisburg, Board of Commissioners for the Geological Survey


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Keywords: ., bookcentury1800, bookdecade1880, booksubjectpaleontology, bookyea